#include <iostream>
#include <cmath>

int main()
{
   using namespace std;

   double area;
   cout << "Enter the floor area, in square feet, of your home: ";
   cin >> area;
   double side;
   side = sqrt(area);
   cout << "That's the equivalent of a square " << side
        << " feet to the side." << endl;
   cout << "How fascinating!" << endl;
   return 0;
}
